Data as of Nov 12, 2026

121.157.4.0/24

No anonymizer space · no proxy exits in 30 days

GORayNet · space held by Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
121.152.0.0/13
since Dec 2009
AS4766Residential3,962
117 always on
Korea Telecom
121.144.0.0/12
since Sep 2009
AS4766Residential7,666
222 always on
Korea Telecom
121.128.0.0/11
since Apr 2006
AS4766Residential15,266
505 always on
Korea Telecom

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Aug 2016
Current origin since
Aug 2016 · 10 yr
Origin networks
1